stop light

US /ˈstɑːp laɪt/
UK /ˈstɑːp laɪt/
"stop light" picture
1.

semáforo, sinal de trânsito

a set of automatically operated colored lights, typically red, yellow, and green, for controlling traffic at road junctions and pedestrian crossings

:
The car stopped at the stop light.
O carro parou no semáforo.
Wait for the stop light to turn green before crossing.
Espere o semáforo ficar verde antes de atravessar.